Best Website Blockers: 7 Free & Private Picks for 2026
Most "best website blocker" lists hide a catch: the popular picks either cost money or track you. Here are 7 blockers ranked by price, privacy, and what they actually block.
Search "best website blockers" and you'll get the same dozen names in a slightly different order every time. What almost none of those lists tell you is the part that bites three weeks in: most of the popular picks either start charging the moment you block more than a couple of sites, or quietly log the browsing history you installed them to protect.
A blocker is supposed to buy back your attention, not your credit-card number or your data. So we ranked the seven best website blockers by the two things those roundups skip: what they actually cost over a year, and where your browsing data ends up. Every tool below earns a real "best for," including the one we make. (Full disclosure: we build Time Blocker, which is exactly why we'll point out where it loses.) Here's the honest version.
- "Free" often means free for three sites. BlockSite and others gate scheduling and unlimited sites behind ~$40/year.
- The bigger hidden cost is data: some popular blockers log your browsing; local-only tools never send it anywhere.
- Extensions are easiest to live with; system apps like Cold Turkey and Freedom block harder but cost money or a subscription.
- Pick by the job: deep control (LeechBlock NG), cross-device sync (Freedom), or free + private with time tracking (Time Blocker).
A blocker should cost you a distraction, not a subscription or your browsing history.
How We Ranked the Best Website Blockers
Feature checklists all start to look the same: every blocker schedules, every blocker has a blocklist. The differences that actually matter show up later, once the tool is part of your day. So we weighted four things over raw feature count:
True yearly cost. Not the headline "free," but what you pay once you need the features you'll actually use: scheduling, unlimited sites, app blocking.
Where your data lives. Local-only (nothing leaves your device) versus account/cloud tools that send your activity to a server, and sometimes to third parties.
What it can block. Just websites, or also desktop apps and your whole computer. More reach usually means harder to bypass, and harder to set up.
How hard it is to dodge. A blocker you can switch off in one click is a reminder, not a wall. Lockouts, password gates, and system-level blocks raise the bar.
The 7 Best Website Blockers, Ranked
Here's the full lineup side by side, then the case for each: who it's genuinely best for, and the catch nobody mentions in the headline.
1. Time Blocker: best free + private pick
Free, no account, and everything it records stays in your browser's local storage, with no server to send your history to. It pairs scheduled (or always-on) blocking with built-in per-site time tracking, so you block based on real data instead of a hunch about which site is the problem. Chrome and Firefox. Full disclosure: this is our extension. The catch: it blocks at the browser level, so it won't stop a desktop app or a second browser the way a system-level tool can. If your distraction is a website, that's a non-issue; if it's a native game, look further down.
2. LeechBlock NG: best for power users
Free, open-source, no accounts, and nothing leaves your machine. It's the most configurable blocker here: up to 30 separate site sets, time-window schedules, daily usage limits, lockout periods, plus password and countdown-delay gates. Chrome, Firefox, Edge, and Brave. The catch: all that power comes with a genuinely steep learning curve. The options screen reads like a tax form, and casual users tend to bounce off it before they finish setting it up.
3. Cold Turkey: best system-level lockdown
A desktop app rather than an extension, so it blocks across every browser at once and can lock down desktop apps, or your entire computer. Basic web blocking is free; Cold Turkey Pro is a one-time $39 (no subscription) and adds scheduling, app blocking, and the famously hard-to-kill "Frozen Turkey" lockdown. The catch: it's installed at the OS level (Windows/Mac), and the genuinely useful features live behind the paid tier.
4. Freedom: best for cross-device sync
If you bounce between a laptop, an iPhone, and an iPad all day, Freedom is the strongest option for syncing a single blocking session across all of them at once. The catch: it's a subscription, about $8.99/month or $39.99/year (a $99.50 lifetime license exists), which is a lot to pay just to keep a handful of sites shut. It also needs an account, so your block schedule lives on their servers.
5. BlockSite: most popular, with real tradeoffs
Easily the most-installed name on this list, with a friendly setup and a built-in focus mode. Two things to know before you trust it: the free tier caps you at three blocked sites, and unlocking scheduling, whitelist mode, and unlimited sites runs around $40/year. More importantly, its privacy policy permits collecting browsing-activity data, and independent reviews have repeatedly flagged how much is shared with third parties. The catch: you may be paying with both money and data. (The Firefox build is free.)
6. StayFocusd: best lightweight classic
A long-time favorite: free, simple, and home to the original "Nuclear Option" that blocks everything for a set window with no way to undo it. The catch: development has slowed to a crawl, some users report problems on newer versions of Chrome, and because it leans on hiding page elements rather than hard-blocking the request, independent testing puts its real block reliability below dedicated blockers. Fine as a gentle nudge; not the tool for a serious habit.
7. Forest: best gamified / mobile pick
Forest is the outlier here. Instead of hard-blocking anything, you plant a virtual tree that grows while you stay focused and withers if you leave the app. It turns focus into a game, and even funds real tree-planting. It's mobile-first ($3.99 one-time on iOS, free with ads on Android) with a companion browser extension. The catch: it's a focus timer, not a blocker. Nothing physically stops you from closing it and opening Instagram; it works only as long as you don't want to kill the tree. Great for students and anyone who responds to gamification, weak as an actual lock.
Free vs. Paid: the Hidden Cost of "Free"
"Free" is the most-clicked word in this whole category. It's also the least reliable. It tends to mean one of two things, and it pays to know which before you hand a tool your blocklist.
When "free" means "free for three sites"
The freemium pattern is everywhere: the install is free, but the features that make a blocker actually work (scheduling, unlimited sites, whitelist mode) sit behind a roughly $40/year wall. BlockSite's three-site free cap is the clearest example. There's nothing wrong with charging for software; the trap is discovering the limit after you've built your whole routine around the free tier. If you only ever block one or two sites, freemium is fine. If you block by category, price it as a paid tool from day one.
The cost you can't see: your data
The second meaning of "free" is the expensive one. Some blockers are free because your browsing activity is the product, sent to their servers behind an account, and in some cases shared onward with analytics or advertising partners. A blocker has to *see every URL you visit* to do its job, which makes it one of the most sensitive extensions you can install. Local-only tools (Time Blocker, LeechBlock NG, StayFocusd, Cold Turkey) keep that data on your device and send nothing anywhere. We built Time Blocker that way on purpose; you can read exactly what it stores on our privacy page. If a free blocker can't tell you plainly where your data goes, treat that as the price tag.
Which Website Blocker Should You Pick?
There isn't a single winner here, and any list that crowns one usually has something to sell. There's just the tool that fits your situation. Find yourself below and you're done.
Want free, private, and data on where your time actually goes? Time Blocker: it blocks on a schedule and tracks per-site time, all locally.
Want maximum control and don't mind complexity? LeechBlock NG: the deepest rule engine here, and free.
Need to block desktop apps or your whole computer? Cold Turkey: a one-time $39 buys system-level lockdown.
Live across phone and computer all day? Freedom: the best cross-device sync, if you'll pay the subscription.
Respond to gamification and mostly browse on mobile? Forest: a focus game, not a hard block, but a fun nudge.
Block your first site in two minutes
Time Blocker is free, private, and tracks where your time goes, so you block the sites that actually cost you, not the ones you assume.
Common Mistakes When Choosing a Blocker
Most people pick the wrong blocker for predictable reasons. Avoid these and the shortlist above gets a lot shorter:
- Choosing on feature count instead of the two that matter: does it charge monthly, and does it keep your data local? Almost everything else is a tie.
- Assuming "free" is free. Check the site cap and what scheduling costs before you build your routine on a tool you'll have to abandon.
- Ignoring where your browsing data goes. A blocker sees every URL you visit, so that's the one extension where the privacy policy is worth reading.
- Reaching for a system-level sledgehammer when a scheduled extension would do. Cold Turkey is overkill if your only problem is two websites.
- Blocking without tracking. If you can't see where your hours actually go, you'll block the sites you resent and miss the ones quietly draining you.
Make Whichever You Pick Actually Work
Whichever you pick matters less than what you do with it. The tool is maybe a third of the result; the rest is habit. Three moves do most of the work here, and they're the same ones from our guide to blocking online distractions without willpower.
- 01Track before you block. Watch a few days of real usage first, then block the two or three genuine drains instead of guessing.
- 02Schedule it, don't decide it. Set your focus hours once so staying on task isn't a fresh act of willpower every morning.
- 03Review weekly. Your distractions shift with your projects, so spend ten minutes resetting your blocklist, the way we lay out in aligning your online time with your goals.
Frequently asked questions
The questions readers ask most when choosing a website blocker.
What's the best free website blocker?+
Are website blockers safe? Can they see my browsing?+
What's the best website blocker for Chrome?+
Can I block websites only during work hours?+
Is a paid website blocker worth it?+
Time Blocker
Free, private time tracking and site blocking for Chrome & Firefox. We make one of the tools on this list, and we'll tell you exactly where it loses.
Try the free, private pick
Add Time Blocker to your browser, block one site that keeps stealing your focus, and let it show you where your time actually goes, with no account and no data leaving your device. Pair it with ambient focus sounds for a deeper work session.
Add Time Blocker to Chrome